[1] Hvidovre Univ Hosp, Dept Endocrinol, Copenhagen NV, Denmark
[2] Arhus Univ Hosp, Dept Neurosurg, Aarhus, Denmark
[3] Univ Copenhagen, Hvidovre Hosp, Dept Endocrinol, DK-2650 Hvidovre, Denmark
[4] Univ Copenhagen, Hvidovre Hosp, Dept Cardiol, DK-2650 Hvidovre, Denmark
[5] Univ Copenhagen, Rigshosp, Dept Cardiol, DK-2100 Copenhagen, Denmark